Class 123/190.12 - Sleeve

Subclass of Class 123 - Internal-combustion engines
Definition: Apparatus wherein the rotary valve comprises a thin cylindrical
No. of patents: 24
Last issue date: 09/09/2008

Number	Title	Issue Date
7421995	Rotary valve system and engine using the same Rotary valve system for controlling communication with a port in an internal combustion engine which, in one disclosed embodiment, has a crankshaft, compression and expansion pistons connected to the crankshaft for reciprocating movement within compression and expan...	09/09/2008
7328674	Rotary valve system and engine using the same Rotary valve system for controlling communication with a port in an internal combustion engine which, in one disclosed embodiment, has a crankshaft, compression and expansion pistons connected to the crankshaft for reciprocating movement within compression and expan...	02/12/2008
7255082	Rotary valve system and engine using the same Rotary valve system for controlling communication with a port in an internal combustion engine which, in one disclosed embodiment, has a crankshaft, compression and expansion pistons connected to the crankshaft for reciprocating movement within compression and expan...	08/14/2007
7240654	Engine valve assembly An inventive engine valve assembly may comprise a rotatable shaft having a fluid passageway extending therethrough, preferably in a direction orthogonal to the longitudinal axis of the shaft. The shaft may be positioned such that the fluid passageway is in communica...	07/10/2007
7213546	Engine airflow management system A rotary valve assembly for an internal combustion engine is herein disclosed. The rotary valve assembly comprises a valve body having a number of ports formed therethrough and a bore that intersects these ports such that a valve cylinder inserted into the bore may ...	05/08/2007
7111603	Heli-shaft The HELI-SHAFT intake exhaust manifold system is comprised of a shaft with two helical and parallel runners cutout around its length. Surrounding the shaft is a sleeve of the same length to enclose and separate the two runners. The intake runner has an opening at th...	09/26/2006
7004119	Apparatus and method for rotating sleeve engine hydrodynamic seal A hydrodynamic face seal 100 for sealing between the cylinder head 300 and rotating sleeve 200 of a rotating liner engine. The face of the face seal provides a sealing zone 130 for maintaining a lubricant layer of about 2 micrometers betw...	02/28/2006
6994067	Valve timing mechanism for a rotary valve internal combustion engine A rotary valve internal combustion engine comprising a crankshaft, a throttle (23), a throttle actuator, a cylinder head (7), a combustion chamber (8), and at least one rotary valve (1). The rotary valve (1) having at least two por...	02/07/2006
6629513	Infinite loop engine An internal combustion engine including an engine block, a power cylinder mounted for revolving within the block and having a reciprocating, non-rotating piston which includes drive pins cooperating with and driving the power cylinder. A cam cylinder coop...	10/07/2003
6289872	Rotating sleeve engine An internal combustion engine is provided including at least one cylinder having a conventional valvetrain. The valvetrain consists of at least one camshaft, at least one intake poppet valve per cylinder activated by the camshaft and at least one exhaust ...	09/18/2001
6205963	High power density, low emission internal combustion engine An improved internal combustion piston engine that utilizes, in combination at least one poppet valve 52 of known type and a sleeve valve 5 to affect the functions of intake and exhaust gas flow. The resulting gross increase in valve area and volumetric e...	03/27/2001
6098579	Carbon fiber reinforced carbon composite rotary valve for an internal combustion engine Carbon fiber reinforced carbon composite rotary, sleeve, and disc valves for internal combustion engines and the like are disclosed. The valves are formed from knitted or braided or warp-locked carbon fiber shapes. Also disclosed are valves fabricated fro...	08/08/2000
5706775	Rotary valve apparatus for internal combustion engines and methods of operating same A rotary valve system mounted to an internal combustion engines and method of operating the system primarily comprises a rotary valve mounted within a valve sleeve, which is in turn mounted within a longitudinal bore extending through an intake and exhaus...	01/13/1998
5690069	Internal combustion engine having rotary distribution valves A multi-cylinder internal combustion engine comprising a cylinder assembly with intake ports and exhaust ports arranged in register, wherein the distribution system for opening and closing said intake and exhaust ports include two rotary pipes each consis...	11/25/1997
5572967	Variable roller valve system for internal combustion engine A variable roller valve system for use in an internal combustion engine. A Sliding Iris™ feature provides separate, independent, and continuous control over the aperture sizes of the intake and exhaust valve ports while the engine is running. The valve ...	11/12/1996
5448971	Internal combustion engine and an improved rotary inlet valve for use therewith The internal combustion engine includes a working cylinder, a compressed air supply, an injector for supplying a gas and fuel mixture, an exhaust valve and an inlet valve. The inlet valve delivers both gas under pressure and gas and fuel mixture to the wo...	09/12/1995
5438964	Internal combustion engine with an air intake system An internal combustion engine with an air intake system for transmitting combustion air to at least one cylinder chamber is involved which consists of one or more intake pipes (1-4) coiled more than 180° and of means for controlled variation of the effec...	08/08/1995
5315963	Sleeve-type rotary valve for an internal combustion engine An internal combustion engine is provided including at least one cylinder having at least one inlet port and at least one exhaust port; a piston mounted in the at least on cylinder for reciprocated movement therein, the piston having a piston rod; a crank...	05/31/1994
5205251	Rotary valve for internal combustion engine There is provided a rotary valve system for an internal combustion engine which has the capabilities of advancing of retarding the openings of the valves. The rotary valves comprise a cylindrical valve body rotatably disposed within a valve sleeve. The va...	04/27/1993
4556023	Rotary valves and gear timing A pair of rotary valves for an internal combustion engine positioned in a cylinder head over a cylinder block. The rotary valves include a pair of rotatable shafts, and a pair of sleeve supports having ports opening to the cylinder or cylinders of the eng...	12/03/1985
4515113	Swash plate engine The swash plate engine is provided with an Aspin type rotary valve system with a variable compression capability. The engine may be of four-piston type or six-piston type. The size of the combustion chambers can be changed from time to time to vary the co...	05/07/1985
4481917	Rotary valve for internal-combustion engine A cylinder head of an internal-combustion engine, operating with the four-strike Otto cycle, has a pair of diametrically opposite outlet ports and a pair of diametrically opposite inlet ports offset by 90° from each other. Two coaxial annular shutters in...	11/13/1984
4180028	Fluid operated device A fluid operated device comprises a cylinder, a piston movable axially therein, a shaft parallel to the axis of the cylinder and coupling means coupling the piston and cylinder and/or the piston and shaft in such a way that axial reciprocation of the pist...	12/25/1979
3948241	Lubricating and sealing system for internal combustion engines A lubrication and sealing system for the cylinder head of an internal combustion engine having a sleeve valve mounted for rotation therein, said sleeve valve having intake slots therethrough which register periodically, as the valve rotates, with air inta...	04/06/1976

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Class 123/190.12 - Sleeve